import Vue from 'vue'
import VueRouter from 'vue-router'
import LoginPage from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodsList from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
  { path: '/login', component: LoginPage },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      { path: '/welcome', component: Welcome },
      { path: '/users', component: Users },
      { path: '/rights', component: Rights },
      { path: '/roles', component: Roles },
      { path: '/categories', component: Cate},
      { path: '/params', component: Params},
      { path: '/goods', component: GoodsList },
      { path: '/goods/add', component: Add},
      { path: '/orders', component: Order},
      { path: '/reports', component: Report}
    ]
  }
]

const router = new VueRouter({
  mode: 'hash', // 使用 hash 模式，兼容 Vue 2.x 和 Vue Router 3.x
  routes
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数，表示放行
  // next() 放行   next('/login') 强制跳转到登录页
  if (to.path === '/login') {
    return next()
  } else {
    // 获取token
    const tokenStr = window.sessionStorage.getItem('token')
    if (!tokenStr) {
      return next('/login')
    } else {
      next()
    }
  }
})

export default router
